Lid for a tub



FIG. 1 is a perspective view from top front and side of a lid for a tub in accordance with my new design;

FIG. 2 is a elevational view of the side thereof;

FIG. 3 is a elevational view of the opposite side thereof;

FIG. 4 is a elevational view of the front thereof;

FIG. 5 is a elevational view of the rear thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof. 

CLAIM The ornamental design for a lid for a tub, as shown and described. 